package test;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JProgressBar;
import javax.swing.Timer;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class ProgressBar implements ActionListener, ChangeListener {

	JFrame frame=null;
	JProgressBar progressbar;
	JLabel label;
	Timer timer;
	JButton b;
	public ProgressBar(){
	   frame=new JFrame("安装");
	   frame.setBounds(100, 100, 400, 130);
	   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	   Container contentPanel=frame.getContentPane();
	   label=new JLabel("",JLabel.CENTER);
	   progressbar = new JProgressBar();
	   progressbar.setOrientation(JProgressBar.HORIZONTAL);
	   progressbar.setMinimum(0);
	   progressbar.setMaximum(100);
	   progressbar.setValue(0);
	   progressbar.setStringPainted(true);
	   progressbar.addChangeListener(this);
	   progressbar.setPreferredSize(new Dimension(300,20));
	   progressbar.setBorderPainted(true);
	   progressbar.setBackground(Color.pink);
	  
	   JPanel panel=new JPanel();
	   b=new JButton("安装");
	   b.setForeground(Color.blue);
	   b.addActionListener(this);
	   panel.add(b);
	   timer=new Timer(100,this);
	   contentPanel.add(panel,BorderLayout.NORTH);
	   contentPanel.add(progressbar,BorderLayout.CENTER);
	   contentPanel.add(label,BorderLayout.SOUTH);
	   //frame.pack();
	   frame.setVisible(true);
	  
	  
	}


	public void actionPerformed(ActionEvent e) {
	   if(e.getSource()==b){
	    timer.start();
	   }
	     if(e.getSource()==timer){
	     int value=progressbar.getValue();
	     if(value<100)
	        progressbar.setValue(++value);
	     else{
	        timer.stop();
	        frame.dispose();
	     }
	     }
	  
	}

	public void stateChanged(ChangeEvent e1) {
	   int value=progressbar.getValue();
	   if(e1.getSource()==progressbar){
	    label.setText("目前已完成进度："+Integer.toString(value)+"%");
	    label.setForeground(Color.blue);
	   }
	  
	}
	public static void main(String[] args) {
	   ProgressBar app=new ProgressBar();
	}


}
